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https://github.com/linux-apfs/apfstests.git
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Christoph Hellwig
09e94f84d9
The always_cow mode can't usefull preallocate space gіven that it always has to write out of place, and thus will reject falloc or ioctl calls to preallocate space in a file. Add explicit checks for preallocation support in various XFS-specific tests to support this. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
80 lines
1.5 KiB
Bash
Executable File
80 lines
1.5 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
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#
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# FSQA Test No. 166
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#
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# ->page-mkwrite test - unwritten extents and mmap
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "exit \$status" 0 1 2 3 15
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rm -f $seqres.full
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# assumes 1st, 3rd and 5th blocks are single written blocks,
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# the others are unwritten.
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_filter_blocks()
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{
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$AWK_PROG '
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/^ +[0-9]/ {
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if (!written_size) {
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written_size = $6
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unwritten1 = ((1048576/512) / 2) - written_size
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unwritten2 = ((1048576/512) / 2) - 2 * written_size
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}
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# is the extent unwritten?
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unwritten_ext = 0;
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if ($7 >= 10000)
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unwritten_ext = 1;
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size = "RIGHT"
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flags = "GOOD"
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if (unwritten_ext) {
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if (unwritten1) {
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if ($6 != unwritten1)
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size = "WRONG"
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unwritten1 = 0;
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} else if ($6 != unwritten2) {
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size = "WRONG"
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}
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} else {
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if ($6 != written_size)
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size = "WRONG"
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}
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print $1, "[AA..BB]", "XX..YY", "AG", "(AA..BB)", size, flags
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}'
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}
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# real QA test starts here
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_supported_fs xfs
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_supported_os Linux
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_require_scratch
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_require_xfs_io_command "falloc"
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_scratch_mkfs_xfs >/dev/null 2>&1
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_scratch_mount
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TEST_FILE=$SCRATCH_MNT/test_file
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TEST_PROG=$here/src/unwritten_mmap
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FILE_SIZE=1048576
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rm -f $TEST_FILE
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$TEST_PROG $FILE_SIZE $TEST_FILE
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xfs_bmap -vp $TEST_FILE >> $seqres.full
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xfs_bmap -vp $TEST_FILE | _filter_blocks
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status=0
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exit
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